FIELD: radar ranging.
SUBSTANCE: invention relates to radar ranging, particularly, to coherent-pulse radar near field devices using pulse emitted radio signal with phase shift in range of (0 - π/2) from period to period and double frequency conversion of received radio signal. Technical result is achieved due to introduction to transceiver system of automatic frequency tuning of second self-contained generator.
EFFECT: technical result is provision of discrete and smooth adjustment of frequency in interference conditions ensuring stability of second intermediate frequency.
1 cl, 4 dwg
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